LADI
/
spa
1
Fork 0
spa/src/pipewire/factory.h

104 lines
2.4 KiB
C

/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef PIPEWIRE_FACTORY_H
#define PIPEWIRE_FACTORY_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdarg.h>
#include <errno.h>
#include <spa/utils/defs.h>
#include <spa/utils/hook.h>
#include <pipewire/proxy.h>
/** \defgroup pw_factory Factory
* Factory interface
*/
/**
* \addtogroup pw_factory
* \{
*/
#define PW_TYPE_INTERFACE_Factory PW_TYPE_INFO_INTERFACE_BASE "Factory"
#define PW_VERSION_FACTORY 3
struct pw_factory;
/** The factory information. Extra information can be added in later versions */
struct pw_factory_info {
uint32_t id; /**< id of the global */
const char *name; /**< name the factory */
const char *type; /**< type of the objects created by this factory */
uint32_t version; /**< version of the objects */
#define PW_FACTORY_CHANGE_MASK_PROPS (1 << 0)
#define PW_FACTORY_CHANGE_MASK_ALL ((1 << 1)-1)
uint64_t change_mask; /**< bitfield of changed fields since last call */
struct spa_dict *props; /**< the properties of the factory */
};
struct pw_factory_info *
pw_factory_info_update(struct pw_factory_info *info,
const struct pw_factory_info *update);
struct pw_factory_info *
pw_factory_info_merge(struct pw_factory_info *info,
const struct pw_factory_info *update, bool reset);
void
pw_factory_info_free(struct pw_factory_info *info);
#define PW_FACTORY_EVENT_INFO 0
#define PW_FACTORY_EVENT_NUM 1
/** Factory events */
struct pw_factory_events {
#define PW_VERSION_FACTORY_EVENTS 0
uint32_t version;
/**
* Notify factory info
*
* \param info info about the factory
*/
void (*info) (void *data, const struct pw_factory_info *info);
};
#define PW_FACTORY_METHOD_ADD_LISTENER 0
#define PW_FACTORY_METHOD_NUM 1
/** Factory methods */
struct pw_factory_methods {
#define PW_VERSION_FACTORY_METHODS 0
uint32_t version;
int (*add_listener) (void *object,
struct spa_hook *listener,
const struct pw_factory_events *events,
void *data);
};
#define pw_factory_method(o,method,version,...) \
({ \
int _res = -ENOTSUP; \
spa_interface_call_res((struct spa_interface*)o, \
struct pw_factory_methods, _res, \
method, version, ##__VA_ARGS__); \
_res; \
})
#define pw_factory_add_listener(c,...) pw_factory_method(c,add_listener,0,__VA_ARGS__)
/**
* \}
*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* PIPEWIRE_FACTORY_H */